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• www.ene dab.com � Helena, MT 877-472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 -235 -0515 <br />k�'r Sbu 1952 Gillette, WY 866 -686 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />06/27/13 <br />Project: Schwartz SW 5/22/13 S26997 TH S26998 <br />Work Order: <br />C13050907 <br />Analyte <br />Count Result Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1548 <br />Sample ID: Th230 -GrAB -1548 <br />Laboratory Control Sample <br />Run: G542M_130611 A <br />06/12/13 17:00 <br />Gross Alpha <br />121 pCi /L <br />116 80 120 <br />Sample ID: Sr90 -GrAB -1548 <br />Laboratory Control Sample <br />Run: G542M_130611 A <br />06/12/13 17:00 <br />Gross Beta <br />169 pCi /L <br />94 80 120 <br />Sample ID: MB -GrAB -1548 <br />6 Method Blank <br />Run: G542M_1 30611 A <br />06/12/13 17:00 <br />Gross Alpha <br />-0.09 pCi /L <br />U <br />Gross Alpha precision ( ±) <br />0.7 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-0.8 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Sample ID: C13050928- 001DDUP <br />6 Sample Duplicate <br />Run: G542M_130611A <br />06/12/13 17:00 <br />Gross Alpha <br />632 pCi /L <br />5.7 <br />13.2 <br />Gross Alpha precision ( ±) <br />10.5 pCi /L <br />Gross Alpha MDC <br />2.82 pCi /L <br />Gross Beta <br />175 pCi /L <br />8.6 <br />15.1 <br />Gross Beta precision ( ±) <br />4.30 pCi /L <br />Gross Beta MDC <br />3.04 pCi /L <br />Sample ID: C13051025- 002IMS <br />Sample Matrix Spike <br />Run: G542M_130611 A <br />06/13/13 05:04 <br />Gross Alpha <br />142 pCi /L <br />132 70 130 <br />S <br />- Spike response is outside of the acceptance range for this analysis. Since the LCS and the RPD for the MS MSD pair are acceptable, the response <br />is considered to be <br />matrix related. The batch is approved. <br />Sample ID: C13051025- 002IMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_1 30611 A <br />06/13/13 05:04 <br />Gross Alpha <br />141 pCi /L <br />131 70 130 0.8 <br />14.9 S <br />-Spike response is outside of the acceptance range for this analysis Since the LCS and the RPD for the MS MSD pair are acceptable, the response is considered to be <br />matrix related The batch is approved. <br />Sample ID: C13051025- 002IMS <br />Sample Matrix Spike <br />Run: G542M_1 30611 A <br />06/13/13 05:04 <br />Gross Beta <br />192 pCi /L <br />105 70 130 <br />Sample ID: C13051025- 002IMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130611A <br />06/13/13 05:04 <br />Gross Beta <br />199 pCi /L <br />109 70 130 3.5 <br />13.9 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. <br />U - Not detected at minimum detectable concentration <br />Page 23 of 29 <br />